There is a glich were you spawn granade dudes and ther kill a lizard or dinosaur idk wtf it is and you get like 35k money and gems in 4-5 mins. Idk why im saying this i just thought it was cool
It’s on lvl 21 you have to find the two grenade guys and then spam the door and then fly over to what ever ledge or something the guys can’t get over and then kill the lizard and then spam your cross ability and then you get the gems (your welcome)